My Little Brother was Downloaded on at my Pc some Shit keylogger After 3 days ago i will be get hack on at one site So !

I told about this to my friend he will clen 100% my pc and he gave this from systems 32 in hostingname i thing so i dont remember well but anyway so now i have the person Ipaddres Secound im luckly this is Static ip addres ! i heard About Exploit of Metasploit - Telnet - Port open-Telnet-scann Nmap so guys i wana be know its really any way possible to hack the peron back ? i wanna just make my account and password at one sites nothing elser more ! The ip will Start 178.73....... i noticed somones ppls are using about local ip rl Ip + Private and i guess the person have Windows Seven I hope you Guys will help Me ! thanks a lot